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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
26 Jan 1997 19:13:42 yearsecs   2229222
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.87  148.31  -47.99   89.70
    1.00  -63.12  163.31  -48.21  101.07
    2.00  -64.22  178.31  -48.68  111.92
    3.00  -65.01  193.31  -49.36  122.28
    4.00  -64.76  208.31  -49.63  132.44
    5.00  -65.95  223.31  -51.87  142.29
    6.00  -66.23  238.31  -53.70  152.33
    7.00  -66.10  253.31  -55.55  162.75
    8.00  -66.79  268.31  -58.49  172.70
    9.00  -66.25  283.31  -60.73  184.03
   10.00  -65.84  298.31  -63.53  195.82
   11.00  -65.65  313.31  -66.94  208.36
   12.00  -65.68  328.31  -70.76  222.51
   13.00  -65.94  343.31  -74.68  239.94
   14.00  -66.42  358.31  -78.26  263.91
   15.00  -67.13   13.31  -80.50  298.88
   16.00  -68.06   28.31  -80.15  338.99
   17.00  -67.21   43.31  -75.69    4.42
   18.00  -67.28   58.31  -71.63   22.99
   19.00  -67.90   73.31  -68.21   38.77
   20.00  -67.12   88.31  -63.63   49.83
   21.00  -64.80  103.31  -57.81   58.35
   22.00  -63.58  118.31  -53.64   68.70
   23.00  -62.33  133.31  -50.07   78.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.87  148.31  -53.13   92.54
    1.00  -68.12  163.31  -53.28  103.08
    2.00  -69.22  178.31  -53.71  113.05
    3.00  -71.61  193.31  -55.95  122.54
    4.00  -74.74  208.31  -59.41  130.74
    5.00  -75.62  223.31  -61.08  138.38
    6.00  -74.64  238.31  -61.41  147.03
    7.00  -73.64  253.31  -62.24  156.28
    8.00  -74.53  268.31  -65.12  163.53
    9.00  -73.91  283.31  -67.13  172.85
   10.00  -73.69  298.31  -69.91  181.80
   11.00  -73.59  313.31  -73.14  190.90
   12.00  -73.52  328.31  -76.68  200.86
   13.00  -73.46  343.31  -80.44  212.96
   14.00  -73.79  358.31  -84.50  228.41
   15.00  -73.47   13.31  -87.36  285.61
   16.00  -73.58   28.31  -85.59    6.76
   17.00  -72.21   43.31  -80.51   22.69
   18.00  -72.28   58.31  -76.33   38.37
   19.00  -72.90   73.31  -72.77   51.96
   20.00  -72.12   88.31  -68.40   59.93
   21.00  -69.80  103.31  -62.88   65.56
   22.00  -68.58  118.31  -58.79   74.07
   23.00  -67.33  133.31  -55.25   82.88
</PRE>


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